| fieldwork |
scientific research, exploration, or observation conducted in the field rather than the laboratory or classroom. [1/2 definitions] |
| hands-on |
of or pertaining to active participation, as distinguished from mere observation or study. |
| hearsay evidence |
evidence usu. not admissible in court because the witness has not obtained it by personal observation or experience, but by hearing it from others. |
| information |
knowledge or facts that come from investigation, observation, or study. [1/4 definitions] |
| instrument landing |
a landing accomplished only by means of the instruments of an aircraft and signals from the ground, rather than by visual observation. |
| know |
perceive directly or be aware of something through learning or observation. [1/7 definitions] |
| logical positivism |
a movement in philosophy that views philosophy as a way of analyzing and criticizing science, and that holds that all statements not based on observation, experience, or the rules of language are meaningless. |
| notice |
attention; observation. [1/7 definitions] |
| obiter dictum |
an incidental remark or passing observation. [1/2 definitions] |
| observance |
the process or an instance of watching; observation. [1/4 definitions] |
| observe |
to watch closely or make a systematic observation of. [1/10 definitions] |
| observer |
a military person who watches from an observation post or an airplane. [1/2 definitions] |
| radio astronomy |
the study of the universe by observation and analysis of extraterrestrial radio waves. |
| remark |
to make a comment, observation, or statement (usu. fol. by "on" or "upon"). [1/4 definitions] |
| science |
systematic observation and testing of natural phenomena in a search for general laws and conclusive evidence. [1/3 definitions] |
| scientific |
requiring or demonstrating systematic knowledge and skills, exactness in observation and testing, and keen but dispassionate interest in the truths of nature. [1/2 definitions] |
| searching |
penetrating in observation. [1/2 definitions] |
| Sherlock Holmes |
a fictional detective hero in many late nineteenth-century and early twentieth-century short stories and novels by Sir Arthur Conan Doyle. Sherlock Holmes is described as having extraordinary powers of observation and deduction. [1/2 definitions] |
| sighting |
an act or instance of seeing, esp. the observation of something unusual or sought after. |
| solar eclipse |
an eclipse of the sun, when, at a particular observation point, light from the sun is blocked by the interposition of the moon. |
| strike |
to come into the mind of (one) as a thought, idea, or observation; to occur to. [1/31 definitions] |